Page 140 - Science Course 3 (Book 2)
P. 140
Mo11-L5b: Fossil Evidence About Paleozoic Era
Extinction Events
4,000
Late Permian Late Cretaceous
3,000
Late Ordovician
Late Devonian Late Triassis
2,000 (Singular Genus) Number of Genera
1,000
0
500 400 300 200 100
Key Concept SUMMARY
Fossil Evidence About Paleozoic Era Fossil Evidence About Paleozoic Era
In the Late Paleozoic, massive coal swamps
What does fossil evidence reveal about the end of formed along inland seas.
the Paleozoic era?
At the end of the Paleozoic era, a mass
extinction event coincided with the f nal stages
of the formation of Pangaea.
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